Statistics for occurrence #1 of “J. H. Hopkins” in chapter 41 of Admiral David D. Porter, The Naval History of the Civil War.:

... Pettingill; Acting-Master's Mates, Isaac Hallock and H. C. Robertson; Engineers: Acting-First-Assistant, B. F. Beckett; Acting-Second-Assistant, F. E. Porter; Acting-Third-Assistants, D. J. Lanahan, J. H. Hopkins , Wm. Ellis, W. A. Steinrook and Wm. McComb; Acting-Gunner, James Addison. Lieutenant Commander, Milton Haxtun; Assistant Surgeon, D. D. Gilbert; Assistant Paymaster, C. S. Perley; Acting-Mas...
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